He revealed the news on Instagram, saying he had stumbled upon various demos and other material – including a cassette by his old band Centaur.

Nergal says: “When I thought that all of those tapes were long gone buried by time and dust, I came across this hidden treasure. One of my garage band’s names was Centaur and we played black death metal!

“It must have been 1988 or 1989, I believe. All I remember from those sessions is that there was a song called Necromancer. Now I’m waiting for a friend of mine to bring the cassette player so I can check if the tape is legit. It should be!

“I don’t think it’s worth publishing but for my personal archives and the whole career profile it is pretty crucial.”

He adds: “For all the Behemoth fans out there, along with this tape I found several Behemoth demo masters, rehearsal cassettes and live recordings from late 1990.

“What I am working on now is reissues of the back catalogue with massive bonus content, both audio and aesthetics. Stay tuned – And The Forests Dream Eternally comes out first in May 2020.”

The EP featured the tracks Transylvanian Forest, Moonspell Rites, Sventevith (Storming Near The Baltic), Pure Evil And Hate and Forgotten Empire Of Dark Witchcraft.

Along with the original album, the new version will feature a four-track BBC Radio 1 session and the previously unreleased documentary Thou Darkest Art, which was recorded as the band unveiled their art exhibition in London last year.

Behemoth: Live At Maida Vale
Nergal and co will release a Tour Edition of their most recent album I Loved You At Your Darkest in January, with this digital Maida Vale EP available to order separately.View Deal